Annual report pursuant to Section 13 and 15(d)

Receivables (Loans Receivable and Credit Quality Indicators) (Details)

v3.2.0.727
Receivables (Loans Receivable and Credit Quality Indicators) (Details)
12 Months Ended
Jun. 30, 2015
USD ($)
loan
class
Jun. 30, 2014
USD ($)
loan
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Number of loans | loan 1 0
Classes of receivables | class 3  
Secured loan $ 49,316,000 $ 41,261,000
Secured loan, percentage 100.00% 100.00%
Secured loans (current) $ 48,666,000 $ 41,261,000
Loan-to-value of More than 100%    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Secured loans (current) $ 175,600  
Secured loans (current), percentage 0.40%  
Bullion and Numismatic    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Secured loan $ 48,466,000 $ 41,261,000
Secured loan, percentage 98.30% 100.00%
Secured loans (current) $ 48,466,000 $ 41,261,000
Secured loans (current), percentage 100.00% 100.00%
Bullion and Numismatic | Loan-to-value of 75% or more    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Secured loans (current) $ 17,153,000 $ 11,950,000
Secured loans (current), percentage 35.40% 29.00%
Bullion and Numismatic | Loan-to-value of less than 75%    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Secured loans (current) $ 31,313,000 $ 29,311,000
Secured loans (current), percentage 64.60% 71.00%
Bullion    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Secured loan $ 16,250,000 $ 17,361,000
Secured loan, percentage 33.00% 42.10%
Numismatic and semi numismatic    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Secured loan $ 32,216,000 $ 23,900,000
Secured loan, percentage 65.30% 57.90%
Other pledged assets    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Secured loan $ 850,000 $ 0
Secured loan, percentage 1.70% 0.00%
Minimum    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Credit quality indicator Loan-to-value threshold percentage 75.00%  
Maximum    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Secured loans (current), percentage 100.00%  
Secured Loans-to-Value Percentage 100.00%